Color
#5d37cd
#5d37cdrgb(93, 55, 205)hsl(255, 60%, 51%)oklch(0.479 0.215 286.8)Colors that go with #5d37cd
Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #5d37cd: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #5d37cd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #5d37cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #5d37cd in 4 real palettes, including Warner Bros.'s brand system and Walmart's brand system, as the accent.
Blue #0000ff
shipped4 real palettes, including Zillow's brand system and Pixar's brand system put Blue beside #5d37cd, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #5d37cd: 6 real palettes, including Qualcomm's brand system and Blue Mono, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #5d37cd in 8 real palettes, including Gemstone and Behance's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #5d37cd: 4 real palettes, including Kraken's brand system and Calm's brand system, as the accent.
Real palettes that use #5d37cd
Tints & shades
Harmonies
Contrast
| #5d37cd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.26:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.89:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d37cd as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#5d37cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #5d37cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5d37cd-ab9cc4-dfbd4e-291f2d-e9ebf1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md